    <style>
      :host {
        background-color: white;
        border-bottom: 1px solid var(--google-grey-300);
        bottom: 0;
        color: var(--cr-primary-text-color);
        display: flex;
        left: 0;
        opacity: 0;
        padding-inline-start: var(--cr-toolbar-field-margin, 0);
        pointer-events: none;
        position: absolute;
        right: 0;
        top: 0;
        transition: opacity var(--cr-toolbar-overlay-animation-duration),
                    visibility var(--cr-toolbar-overlay-animation-duration);
        visibility: hidden;
      }

      @media (prefers-color-scheme: dark) {
        :host {
          background-color: var(--google-grey-900);
          background-image: linear-gradient(rgba(255, 255, 255, .04),
                                            rgba(255, 255, 255, .04));
          border-bottom-color: var(--cr-separator-color);
        }
      }

      :host([show]) {
        opacity: 1;
        pointer-events: initial;
        visibility: initial;
      }

      #overlay-content {
        align-items: center;
        display: flex;
        flex: 1;
        margin: 0 auto;
        max-width: var(--cr-toolbar-selection-overlay-max-width, initial);
        padding: 0 var(--cr-toolbar-selection-overlay-padding, 24px);
      }

      #number-selected {
        flex: 1;
      }

      cr-icon-button {
        height: 36px;
        margin-inline-end: 24px;
        margin-inline-start: 2px;
        width: 36px;
      }

      #slot {
        align-items: center;
        display: flex;
        gap: var(--cr-toolbar-selection-overlay-slot-gap, 16px);
        margin-inline-start: 8px;
      }
    </style>
    <template is="dom-if" if="[[hasShown_]]">
      <div id="overlay-content">
        <cr-icon-button part="clearIcon"
            title="[[cancelLabel]]" iron-icon="cr:clear"
            on-click="onClearSelectionClick_"></cr-icon-button>
        <div id="number-selected">[[selectionLabel_]]</div>
        <div id="slot"><slot></slot></div>
      </div>
    </template>
